seo-images
Installation
SKILL.md
Image SEO
Checks
- All
<img>have descriptivealt(emptyalt=""only for decorative) - Filenames: kebab-case, descriptive (
red-running-shoes.webpnotIMG_1234.jpg) - Formats: WebP/AVIF with JPG/PNG fallback
- Lazy loading:
loading="lazy"on below-fold images - Responsive:
srcset+sizesfor different viewports - Dimensions:
width+heightset to prevent CLS
File Optimization Targets
| Type | Format | Max size | Quality |
|---|---|---|---|
| Hero | AVIF/WebP | 200 KB | 75-80 |
| Content | WebP | 100 KB | 75 |
| Thumbnail | WebP | 30 KB | 70 |